Finding the Fourth Proportional to 49,088.24, 73,622.96 and 13,540.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,088.24 : 73,622.96 = 13,540.72 : x
2. Step 2: Convert to fraction form
   49,088.24/73,622.96 = 13,540.72/x
3. Step 3: Cross multiply
   49,088.24x = 73,622.96 × 13,540.72
4. Step 4: Simplify right side
   49,088.24x = 996,907,881.12
5. Step 5: Solve for x
   x = 996,907,881.12/49,088.24
6. Step 6: Final answer
   x = 20,308.49